<template>
  <div class="search-bar">
    <div class="btn-list">
      <div class="arrow-left"></div>
      <div
        class="btn-item"
        :class="{ active: btnActiveClass == item.id }"
        v-for="item in categoryList"
        :key="item.id"
        @click="searchBar(item.id, item)"
      >{{ item.name }}</div>
      <div class="arrow-right"></div>
    </div>
  </div>
</template>

<script>
export default {
  name: "",
  components: {},
  data() {
    return {
      btnActiveClass: 1
    };
  },
  props: {
    // 分类列表
    categoryList: {
      type: Array,
      default: []
    }
  },
  watch: {},
  mounted() {
    // 确保进入页面查询
    this.searchBar(0, this.categoryList[0]);
  },
  methods: {
    // 搜索
    searchBar(i, item) {
      this.btnActiveClass = i;
      this.$emit("categoryBar", item);
    }
  }
};
</script>
<style scoped lang="scss">
@import "~@/styles/variables.scss";
.search-bar {
  width: 100%;
  height: $searchBarHeight;
  background-color: #f8f8f8;
  display: flex;
  align-items: center;
  margin: 10px 0;
  .btn-list {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    .btn-item {
      width: 145px;
      height: 80%;
      margin-right: 5px;
      font-size: 16px;
      border: 1px solid #59a1e8;
      background-color: transparent;
      color: #59a1e8;
      text-align: center;
      line-height: 40px;
      cursor: pointer;
      &:hover {
        background-color: #397dc1;
        color: #fff;
      }
      &.active {
        background-color: #397dc1;
        color: #fff;
      }
    }
    .arrow-left {
      position: relative;
      width: 20px;
      height: 80%;
      background-color: rgba(4, 128, 251, 0.3);
      margin-right: 5px;
      &::before {
        content: "";
        position: absolute;
        top: 5px;
        left: -10px;
        width: 0px;
        height: 0px;
        border: 15px solid transparent;
        border-right: 10px solid #0480fb;
      }
    }
    .arrow-right {
      position: absolute;
      right: 0;
      width: 20px;
      height: 80%;
      background-color: rgba(4, 128, 251, 0.3);
      &::before {
        content: "";
        position: absolute;
        top: 5px;
        left: 5px;
        width: 0px;
        height: 0px;
        border: 15px solid transparent;
        border-left: 10px solid #0480fb;
      }
    }
  }
}
</style>
